ARTX
| Artrain | 5 |
CG
| Central Of Georgia | 2 |
CSX
| CSX Railroad | 18 |
DH
| Delaware & Hudson | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
GC
| Georgia Central | 1 |
GITM
| Golden Isle Terminal RR | 1 |
GNRR
| Georgia Northeastern | 2 |
MAMX
| Mammoet USA, Inc | 2 |
RFP
| Richmond Fredericksburg & Potomac | 4 |
SBD
| Seaboard System | 2 |
SCL
| Seaboard Coast Line | 8 |
SOO
| Soo Line | 2 |
SOU
| Southern | 1 |
WM
| Western Maryland | 2 |